Simon Willison’s Weblog

18th April 2019 - Link Blog

How Zoom’s web client avoids using WebRTC (via) It turns out video conferencing app Zoom uses their own WebAssembly compiled video and audio codecs and transmits H264 over WebSockets.

Posted 18th April 2019 at 6:20 pm

Recent articles

Experimenting with Starlette 1.0 with Claude skills - 22nd March 2026
Profiling Hacker News users based on their comments - 21st March 2026
Thoughts on OpenAI acquiring Astral and uv/ruff/ty - 19th March 2026

This is a link post by Simon Willison, posted on 18th April 2019.

websockets 20 webassembly 90

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe